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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * H.264 encoding using the x264 library |
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| 3 | * Copyright (C) 2005 Mans Rullgard |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #include "libavutil/internal.h" |
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| 23 | #include "libavutil/opt.h" |
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| 24 | #include "libavutil/mem.h" |
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| 25 | #include "libavutil/pixdesc.h" |
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| 26 | #include "avcodec.h" |
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| 27 | #include "internal.h" |
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| 28 | |||
| 29 | #if defined(_MSC_VER) |
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| 30 | #define X264_API_IMPORTS 1 |
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| 31 | #endif |
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| 32 | |||
| 33 | #include |
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| 34 | #include |
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| 35 | #include |
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| 36 | #include |
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| 37 | #include |
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| 38 | #include |
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| 39 | |||
| 40 | typedef struct X264Context { |
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| 41 | AVClass *class; |
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| 42 | x264_param_t params; |
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| 43 | x264_t *enc; |
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| 44 | x264_picture_t pic; |
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| 45 | uint8_t *sei; |
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| 46 | int sei_size; |
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| 47 | AVFrame out_pic; |
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| 48 | char *preset; |
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| 49 | char *tune; |
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| 50 | char *profile; |
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| 51 | char *level; |
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| 52 | int fastfirstpass; |
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| 53 | char *wpredp; |
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| 54 | char *x264opts; |
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| 55 | float crf; |
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| 56 | float crf_max; |
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| 57 | int cqp; |
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| 58 | int aq_mode; |
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| 59 | float aq_strength; |
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| 60 | char *psy_rd; |
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| 61 | int psy; |
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| 62 | int rc_lookahead; |
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| 63 | int weightp; |
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| 64 | int weightb; |
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| 65 | int ssim; |
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| 66 | int intra_refresh; |
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| 67 | int bluray_compat; |
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| 68 | int b_bias; |
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| 69 | int b_pyramid; |
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| 70 | int mixed_refs; |
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| 71 | int dct8x8; |
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| 72 | int fast_pskip; |
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| 73 | int aud; |
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| 74 | int mbtree; |
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| 75 | char *deblock; |
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| 76 | float cplxblur; |
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| 77 | char *partitions; |
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| 78 | int direct_pred; |
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| 79 | int slice_max_size; |
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| 80 | char *stats; |
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| 81 | int nal_hrd; |
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| 82 | char *x264_params; |
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| 83 | } X264Context; |
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| 84 | |||
| 85 | static void X264_log(void *p, int level, const char *fmt, va_list args) |
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| 86 | { |
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| 87 | static const int level_map[] = { |
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| 88 | [X264_LOG_ERROR] = AV_LOG_ERROR, |
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| 89 | [X264_LOG_WARNING] = AV_LOG_WARNING, |
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| 90 | [X264_LOG_INFO] = AV_LOG_INFO, |
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| 91 | [X264_LOG_DEBUG] = AV_LOG_DEBUG |
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| 92 | }; |
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| 93 | |||
| 94 | if (level < 0 || level > X264_LOG_DEBUG) |
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| 95 | return; |
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| 96 | |||
| 97 | av_vlog(p, level_map[level], fmt, args); |
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| 98 | } |
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| 99 | |||
| 100 | |||
| 101 | static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, |
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| 102 | x264_nal_t *nals, int nnal) |
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| 103 | { |
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| 104 | X264Context *x4 = ctx->priv_data; |
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| 105 | uint8_t *p; |
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| 106 | int i, size = x4->sei_size, ret; |
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| 107 | |||
| 108 | if (!nnal) |
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| 109 | return 0; |
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| 110 | |||
| 111 | for (i = 0; i < nnal; i++) |
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| 112 | size += nals[i].i_payload; |
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| 113 | |||
| 114 | if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0) |
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| 115 | return ret; |
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| 116 | |||
| 117 | p = pkt->data; |
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| 118 | |||
| 119 | /* Write the SEI as part of the first frame. */ |
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| 120 | if (x4->sei_size > 0 && nnal > 0) { |
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| 121 | if (x4->sei_size > size) { |
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| 122 | av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n"); |
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| 123 | return -1; |
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| 124 | } |
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| 125 | memcpy(p, x4->sei, x4->sei_size); |
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| 126 | p += x4->sei_size; |
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| 127 | x4->sei_size = 0; |
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| 128 | av_freep(&x4->sei); |
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| 129 | } |
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| 130 | |||
| 131 | for (i = 0; i < nnal; i++){ |
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| 132 | memcpy(p, nals[i].p_payload, nals[i].i_payload); |
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| 133 | p += nals[i].i_payload; |
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| 134 | } |
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| 135 | |||
| 136 | return 1; |
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| 137 | } |
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| 138 | |||
| 139 | static int avfmt2_num_planes(int avfmt) |
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| 140 | { |
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| 141 | switch (avfmt) { |
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| 142 | case AV_PIX_FMT_YUV420P: |
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| 143 | case AV_PIX_FMT_YUVJ420P: |
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| 144 | case AV_PIX_FMT_YUV420P9: |
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| 145 | case AV_PIX_FMT_YUV420P10: |
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| 146 | case AV_PIX_FMT_YUV444P: |
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| 147 | return 3; |
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| 148 | |||
| 149 | case AV_PIX_FMT_BGR24: |
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| 150 | case AV_PIX_FMT_RGB24: |
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| 151 | return 1; |
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| 152 | |||
| 153 | default: |
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| 154 | return 3; |
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| 155 | } |
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| 156 | } |
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| 157 | |||
| 158 | static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, |
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| 159 | int *got_packet) |
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| 160 | { |
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| 161 | X264Context *x4 = ctx->priv_data; |
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| 162 | x264_nal_t *nal; |
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| 163 | int nnal, i, ret; |
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| 164 | x264_picture_t pic_out = {0}; |
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| 165 | |||
| 166 | x264_picture_init( &x4->pic ); |
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| 167 | x4->pic.img.i_csp = x4->params.i_csp; |
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| 168 | if (x264_bit_depth > 8) |
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| 169 | x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH; |
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| 170 | x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt); |
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| 171 | |||
| 172 | if (frame) { |
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| 173 | for (i = 0; i < x4->pic.img.i_plane; i++) { |
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| 174 | x4->pic.img.plane[i] = frame->data[i]; |
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| 175 | x4->pic.img.i_stride[i] = frame->linesize[i]; |
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| 176 | } |
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| 177 | |||
| 178 | x4->pic.i_pts = frame->pts; |
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| 179 | x4->pic.i_type = |
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| 180 | frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME : |
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| 181 | frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P : |
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| 182 | frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B : |
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| 183 | X264_TYPE_AUTO; |
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| 184 | if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) { |
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| 185 | x4->params.b_tff = frame->top_field_first; |
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| 186 | x264_encoder_reconfig(x4->enc, &x4->params); |
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| 187 | } |
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| 188 | if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den || |
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| 189 | x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) { |
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| 190 | x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den; |
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| 191 | x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num; |
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| 192 | x264_encoder_reconfig(x4->enc, &x4->params); |
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| 193 | } |
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| 194 | } |
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| 195 | |||
| 196 | do { |
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| 197 | if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0) |
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| 198 | return -1; |
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| 199 | |||
| 200 | ret = encode_nals(ctx, pkt, nal, nnal); |
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| 201 | if (ret < 0) |
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| 202 | return -1; |
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| 203 | } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc)); |
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| 204 | |||
| 205 | pkt->pts = pic_out.i_pts; |
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| 206 | pkt->dts = pic_out.i_dts; |
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| 207 | |||
| 208 | switch (pic_out.i_type) { |
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| 209 | case X264_TYPE_IDR: |
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| 210 | case X264_TYPE_I: |
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| 211 | x4->out_pic.pict_type = AV_PICTURE_TYPE_I; |
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| 212 | break; |
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| 213 | case X264_TYPE_P: |
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| 214 | x4->out_pic.pict_type = AV_PICTURE_TYPE_P; |
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| 215 | break; |
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| 216 | case X264_TYPE_B: |
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| 217 | case X264_TYPE_BREF: |
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| 218 | x4->out_pic.pict_type = AV_PICTURE_TYPE_B; |
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| 219 | break; |
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| 220 | } |
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| 221 | |||
| 222 | pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe; |
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| 223 | if (ret) |
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| 224 | x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA; |
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| 225 | |||
| 226 | *got_packet = ret; |
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| 227 | return 0; |
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| 228 | } |
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| 229 | |||
| 230 | static av_cold int X264_close(AVCodecContext *avctx) |
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| 231 | { |
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| 232 | X264Context *x4 = avctx->priv_data; |
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| 233 | |||
| 234 | av_freep(&avctx->extradata); |
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| 235 | av_free(x4->sei); |
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| 236 | |||
| 237 | if (x4->enc) |
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| 238 | x264_encoder_close(x4->enc); |
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| 239 | |||
| 240 | return 0; |
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| 241 | } |
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| 242 | |||
| 243 | #define OPT_STR(opt, param) \ |
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| 244 | do { \ |
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| 245 | int ret; \ |
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| 246 | if (param!=NULL && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \ |
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| 247 | if(ret == X264_PARAM_BAD_NAME) \ |
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| 248 | av_log(avctx, AV_LOG_ERROR, \ |
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| 249 | "bad option '%s': '%s'\n", opt, param); \ |
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| 250 | else \ |
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| 251 | av_log(avctx, AV_LOG_ERROR, \ |
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| 252 | "bad value for '%s': '%s'\n", opt, param); \ |
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| 253 | return -1; \ |
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| 254 | } \ |
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| 255 | } while (0) |
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| 256 | |||
| 257 | static int convert_pix_fmt(enum AVPixelFormat pix_fmt) |
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| 258 | { |
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| 259 | switch (pix_fmt) { |
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| 260 | case AV_PIX_FMT_YUV420P: |
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| 261 | case AV_PIX_FMT_YUVJ420P: |
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| 262 | case AV_PIX_FMT_YUV420P9: |
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| 263 | case AV_PIX_FMT_YUV420P10: return X264_CSP_I420; |
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| 264 | case AV_PIX_FMT_YUV422P: |
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| 265 | case AV_PIX_FMT_YUVJ422P: |
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| 266 | case AV_PIX_FMT_YUV422P10: return X264_CSP_I422; |
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| 267 | case AV_PIX_FMT_YUV444P: |
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| 268 | case AV_PIX_FMT_YUVJ444P: |
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| 269 | case AV_PIX_FMT_YUV444P9: |
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| 270 | case AV_PIX_FMT_YUV444P10: return X264_CSP_I444; |
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| 271 | #ifdef X264_CSP_BGR |
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| 272 | case AV_PIX_FMT_BGR24: |
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| 273 | return X264_CSP_BGR; |
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| 274 | |||
| 275 | case AV_PIX_FMT_RGB24: |
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| 276 | return X264_CSP_RGB; |
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| 277 | #endif |
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| 278 | case AV_PIX_FMT_NV12: return X264_CSP_NV12; |
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| 279 | case AV_PIX_FMT_NV16: |
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| 280 | case AV_PIX_FMT_NV20: return X264_CSP_NV16; |
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| 281 | }; |
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| 282 | return 0; |
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| 283 | } |
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| 284 | |||
| 285 | #define PARSE_X264_OPT(name, var)\ |
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| 286 | if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\ |
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| 287 | av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\ |
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| 288 | return AVERROR(EINVAL);\ |
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| 289 | } |
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| 290 | |||
| 291 | static av_cold int X264_init(AVCodecContext *avctx) |
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| 292 | { |
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| 293 | X264Context *x4 = avctx->priv_data; |
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| 294 | int sw,sh; |
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| 295 | |||
| 296 | x264_param_default(&x4->params); |
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| 297 | |||
| 298 | x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER; |
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| 299 | |||
| 300 | x4->params.rc.f_pb_factor = avctx->b_quant_factor; |
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| 301 | x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset; |
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| 302 | if (x4->preset || x4->tune) |
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| 303 | if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) { |
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| 304 | int i; |
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| 305 | av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune); |
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| 306 | av_log(avctx, AV_LOG_INFO, "Possible presets:"); |
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| 307 | for (i = 0; x264_preset_names[i]; i++) |
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| 308 | av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]); |
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| 309 | av_log(avctx, AV_LOG_INFO, "\n"); |
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| 310 | av_log(avctx, AV_LOG_INFO, "Possible tunes:"); |
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| 311 | for (i = 0; x264_tune_names[i]; i++) |
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| 312 | av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]); |
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| 313 | av_log(avctx, AV_LOG_INFO, "\n"); |
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| 314 | return AVERROR(EINVAL); |
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| 315 | } |
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| 316 | |||
| 317 | if (avctx->level > 0) |
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| 318 | x4->params.i_level_idc = avctx->level; |
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| 319 | |||
| 320 | x4->params.pf_log = X264_log; |
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| 321 | x4->params.p_log_private = avctx; |
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| 322 | x4->params.i_log_level = X264_LOG_DEBUG; |
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| 323 | x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt); |
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| 324 | |||
| 325 | OPT_STR("weightp", x4->wpredp); |
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| 326 | |||
| 327 | if (avctx->bit_rate) { |
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| 328 | x4->params.rc.i_bitrate = avctx->bit_rate / 1000; |
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| 329 | x4->params.rc.i_rc_method = X264_RC_ABR; |
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| 330 | } |
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| 331 | x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; |
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| 332 | x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000; |
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| 333 | x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1; |
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| 334 | if (avctx->flags & CODEC_FLAG_PASS2) { |
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| 335 | x4->params.rc.b_stat_read = 1; |
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| 336 | } else { |
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| 337 | if (x4->crf >= 0) { |
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| 338 | x4->params.rc.i_rc_method = X264_RC_CRF; |
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| 339 | x4->params.rc.f_rf_constant = x4->crf; |
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| 340 | } else if (x4->cqp >= 0) { |
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| 341 | x4->params.rc.i_rc_method = X264_RC_CQP; |
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| 342 | x4->params.rc.i_qp_constant = x4->cqp; |
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| 343 | } |
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| 344 | |||
| 345 | if (x4->crf_max >= 0) |
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| 346 | x4->params.rc.f_rf_constant_max = x4->crf_max; |
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| 347 | } |
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| 348 | |||
| 349 | if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 && |
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| 350 | (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) { |
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| 351 | x4->params.rc.f_vbv_buffer_init = |
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| 352 | (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size; |
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| 353 | } |
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| 354 | |||
| 355 | OPT_STR("level", x4->level); |
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| 356 | |||
| 357 | if(x4->x264opts){ |
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| 358 | const char *p= x4->x264opts; |
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| 359 | while(p){ |
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| 360 | char param[256]={0}, val[256]={0}; |
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| 361 | if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){ |
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| 362 | OPT_STR(param, "1"); |
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| 363 | }else |
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| 364 | OPT_STR(param, val); |
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| 365 | p= strchr(p, ':'); |
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| 366 | p+=!!p; |
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| 367 | } |
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| 368 | } |
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| 369 | |||
| 370 | if (avctx->i_quant_factor > 0) |
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| 371 | x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor); |
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| 372 | |||
| 373 | if (avctx->me_method == ME_EPZS) |
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| 374 | x4->params.analyse.i_me_method = X264_ME_DIA; |
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| 375 | else if (avctx->me_method == ME_HEX) |
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| 376 | x4->params.analyse.i_me_method = X264_ME_HEX; |
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| 377 | else if (avctx->me_method == ME_UMH) |
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| 378 | x4->params.analyse.i_me_method = X264_ME_UMH; |
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| 379 | else if (avctx->me_method == ME_FULL) |
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| 380 | x4->params.analyse.i_me_method = X264_ME_ESA; |
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| 381 | else if (avctx->me_method == ME_TESA) |
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| 382 | x4->params.analyse.i_me_method = X264_ME_TESA; |
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| 383 | |||
| 384 | if (avctx->gop_size >= 0) |
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| 385 | x4->params.i_keyint_max = avctx->gop_size; |
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| 386 | if (avctx->max_b_frames >= 0) |
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| 387 | x4->params.i_bframe = avctx->max_b_frames; |
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| 388 | if (avctx->scenechange_threshold >= 0) |
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| 389 | x4->params.i_scenecut_threshold = avctx->scenechange_threshold; |
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| 390 | if (avctx->qmin >= 0) |
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| 391 | x4->params.rc.i_qp_min = avctx->qmin; |
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| 392 | if (avctx->qmax >= 0) |
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| 393 | x4->params.rc.i_qp_max = avctx->qmax; |
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| 394 | if (avctx->max_qdiff >= 0) |
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| 395 | x4->params.rc.i_qp_step = avctx->max_qdiff; |
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| 396 | if (avctx->qblur >= 0) |
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| 397 | x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */ |
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| 398 | if (avctx->qcompress >= 0) |
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| 399 | x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */ |
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| 400 | if (avctx->refs >= 0) |
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| 401 | x4->params.i_frame_reference = avctx->refs; |
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| 402 | if (avctx->trellis >= 0) |
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| 403 | x4->params.analyse.i_trellis = avctx->trellis; |
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| 404 | if (avctx->me_range >= 0) |
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| 405 | x4->params.analyse.i_me_range = avctx->me_range; |
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| 406 | if (avctx->noise_reduction >= 0) |
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| 407 | x4->params.analyse.i_noise_reduction = avctx->noise_reduction; |
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| 408 | if (avctx->me_subpel_quality >= 0) |
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| 409 | x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality; |
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| 410 | if (avctx->b_frame_strategy >= 0) |
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| 411 | x4->params.i_bframe_adaptive = avctx->b_frame_strategy; |
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| 412 | if (avctx->keyint_min >= 0) |
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| 413 | x4->params.i_keyint_min = avctx->keyint_min; |
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| 414 | if (avctx->coder_type >= 0) |
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| 415 | x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC; |
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| 416 | if (avctx->me_cmp >= 0) |
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| 417 | x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA; |
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| 418 | |||
| 419 | if (x4->aq_mode >= 0) |
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| 420 | x4->params.rc.i_aq_mode = x4->aq_mode; |
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| 421 | if (x4->aq_strength >= 0) |
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| 422 | x4->params.rc.f_aq_strength = x4->aq_strength; |
||
| 423 | PARSE_X264_OPT("psy-rd", psy_rd); |
||
| 424 | PARSE_X264_OPT("deblock", deblock); |
||
| 425 | PARSE_X264_OPT("partitions", partitions); |
||
| 426 | PARSE_X264_OPT("stats", stats); |
||
| 427 | if (x4->psy >= 0) |
||
| 428 | x4->params.analyse.b_psy = x4->psy; |
||
| 429 | if (x4->rc_lookahead >= 0) |
||
| 430 | x4->params.rc.i_lookahead = x4->rc_lookahead; |
||
| 431 | if (x4->weightp >= 0) |
||
| 432 | x4->params.analyse.i_weighted_pred = x4->weightp; |
||
| 433 | if (x4->weightb >= 0) |
||
| 434 | x4->params.analyse.b_weighted_bipred = x4->weightb; |
||
| 435 | if (x4->cplxblur >= 0) |
||
| 436 | x4->params.rc.f_complexity_blur = x4->cplxblur; |
||
| 437 | |||
| 438 | if (x4->ssim >= 0) |
||
| 439 | x4->params.analyse.b_ssim = x4->ssim; |
||
| 440 | if (x4->intra_refresh >= 0) |
||
| 441 | x4->params.b_intra_refresh = x4->intra_refresh; |
||
| 442 | if (x4->bluray_compat >= 0) { |
||
| 443 | x4->params.b_bluray_compat = x4->bluray_compat; |
||
| 444 | x4->params.b_vfr_input = 0; |
||
| 445 | } |
||
| 446 | if (x4->b_bias != INT_MIN) |
||
| 447 | x4->params.i_bframe_bias = x4->b_bias; |
||
| 448 | if (x4->b_pyramid >= 0) |
||
| 449 | x4->params.i_bframe_pyramid = x4->b_pyramid; |
||
| 450 | if (x4->mixed_refs >= 0) |
||
| 451 | x4->params.analyse.b_mixed_references = x4->mixed_refs; |
||
| 452 | if (x4->dct8x8 >= 0) |
||
| 453 | x4->params.analyse.b_transform_8x8 = x4->dct8x8; |
||
| 454 | if (x4->fast_pskip >= 0) |
||
| 455 | x4->params.analyse.b_fast_pskip = x4->fast_pskip; |
||
| 456 | if (x4->aud >= 0) |
||
| 457 | x4->params.b_aud = x4->aud; |
||
| 458 | if (x4->mbtree >= 0) |
||
| 459 | x4->params.rc.b_mb_tree = x4->mbtree; |
||
| 460 | if (x4->direct_pred >= 0) |
||
| 461 | x4->params.analyse.i_direct_mv_pred = x4->direct_pred; |
||
| 462 | |||
| 463 | if (x4->slice_max_size >= 0) |
||
| 464 | x4->params.i_slice_max_size = x4->slice_max_size; |
||
| 465 | else { |
||
| 466 | /* |
||
| 467 | * Allow x264 to be instructed through AVCodecContext about the maximum |
||
| 468 | * size of the RTP payload. For example, this enables the production of |
||
| 469 | * payload suitable for the H.264 RTP packetization-mode 0 i.e. single |
||
| 470 | * NAL unit per RTP packet. |
||
| 471 | */ |
||
| 472 | if (avctx->rtp_payload_size) |
||
| 473 | x4->params.i_slice_max_size = avctx->rtp_payload_size; |
||
| 474 | } |
||
| 475 | |||
| 476 | if (x4->fastfirstpass) |
||
| 477 | x264_param_apply_fastfirstpass(&x4->params); |
||
| 478 | |||
| 479 | /* Allow specifying the x264 profile through AVCodecContext. */ |
||
| 480 | if (!x4->profile) |
||
| 481 | switch (avctx->profile) { |
||
| 482 | case FF_PROFILE_H264_BASELINE: |
||
| 483 | x4->profile = av_strdup("baseline"); |
||
| 484 | break; |
||
| 485 | case FF_PROFILE_H264_HIGH: |
||
| 486 | x4->profile = av_strdup("high"); |
||
| 487 | break; |
||
| 488 | case FF_PROFILE_H264_HIGH_10: |
||
| 489 | x4->profile = av_strdup("high10"); |
||
| 490 | break; |
||
| 491 | case FF_PROFILE_H264_HIGH_422: |
||
| 492 | x4->profile = av_strdup("high422"); |
||
| 493 | break; |
||
| 494 | case FF_PROFILE_H264_HIGH_444: |
||
| 495 | x4->profile = av_strdup("high444"); |
||
| 496 | break; |
||
| 497 | case FF_PROFILE_H264_MAIN: |
||
| 498 | x4->profile = av_strdup("main"); |
||
| 499 | break; |
||
| 500 | default: |
||
| 501 | break; |
||
| 502 | } |
||
| 503 | |||
| 504 | if (x4->nal_hrd >= 0) |
||
| 505 | x4->params.i_nal_hrd = x4->nal_hrd; |
||
| 506 | |||
| 507 | if (x4->profile) |
||
| 508 | if (x264_param_apply_profile(&x4->params, x4->profile) < 0) { |
||
| 509 | int i; |
||
| 510 | av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile); |
||
| 511 | av_log(avctx, AV_LOG_INFO, "Possible profiles:"); |
||
| 512 | for (i = 0; x264_profile_names[i]; i++) |
||
| 513 | av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]); |
||
| 514 | av_log(avctx, AV_LOG_INFO, "\n"); |
||
| 515 | return AVERROR(EINVAL); |
||
| 516 | } |
||
| 517 | |||
| 518 | x4->params.i_width = avctx->width; |
||
| 519 | x4->params.i_height = avctx->height; |
||
| 520 | av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096); |
||
| 521 | x4->params.vui.i_sar_width = sw; |
||
| 522 | x4->params.vui.i_sar_height = sh; |
||
| 523 | x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den; |
||
| 524 | x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num; |
||
| 525 | |||
| 526 | x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR; |
||
| 527 | |||
| 528 | x4->params.i_threads = avctx->thread_count; |
||
| 529 | if (avctx->thread_type) |
||
| 530 | x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE; |
||
| 531 | |||
| 532 | x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT; |
||
| 533 | |||
| 534 | x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP); |
||
| 535 | |||
| 536 | x4->params.i_slice_count = avctx->slices; |
||
| 537 | |||
| 538 | x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || |
||
| 539 | avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || |
||
| 540 | avctx->pix_fmt == AV_PIX_FMT_YUVJ444P; |
||
| 541 | |||
| 542 | if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) |
||
| 543 | x4->params.b_repeat_headers = 0; |
||
| 544 | |||
| 545 | if (x4->x264_params) { |
||
| 546 | AVDictionary *dict = NULL; |
||
| 547 | AVDictionaryEntry *en = NULL; |
||
| 548 | |||
| 549 | if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) { |
||
| 550 | while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) { |
||
| 551 | if (x264_param_parse(&x4->params, en->key, en->value) < 0) |
||
| 552 | av_log(avctx, AV_LOG_WARNING, |
||
| 553 | "Error parsing option '%s = %s'.\n", |
||
| 554 | en->key, en->value); |
||
| 555 | } |
||
| 556 | |||
| 557 | av_dict_free(&dict); |
||
| 558 | } |
||
| 559 | } |
||
| 560 | |||
| 561 | // update AVCodecContext with x264 parameters |
||
| 562 | avctx->has_b_frames = x4->params.i_bframe ? |
||
| 563 | x4->params.i_bframe_pyramid ? 2 : 1 : 0; |
||
| 564 | if (avctx->max_b_frames < 0) |
||
| 565 | avctx->max_b_frames = 0; |
||
| 566 | |||
| 567 | avctx->bit_rate = x4->params.rc.i_bitrate*1000; |
||
| 568 | |||
| 569 | x4->enc = x264_encoder_open(&x4->params); |
||
| 570 | if (!x4->enc) |
||
| 571 | return -1; |
||
| 572 | |||
| 573 | avctx->coded_frame = &x4->out_pic; |
||
| 574 | |||
| 575 | if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) { |
||
| 576 | x264_nal_t *nal; |
||
| 577 | uint8_t *p; |
||
| 578 | int nnal, s, i; |
||
| 579 | |||
| 580 | s = x264_encoder_headers(x4->enc, &nal, &nnal); |
||
| 581 | avctx->extradata = p = av_malloc(s); |
||
| 582 | |||
| 583 | for (i = 0; i < nnal; i++) { |
||
| 584 | /* Don't put the SEI in extradata. */ |
||
| 585 | if (nal[i].i_type == NAL_SEI) { |
||
| 586 | av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25); |
||
| 587 | x4->sei_size = nal[i].i_payload; |
||
| 588 | x4->sei = av_malloc(x4->sei_size); |
||
| 589 | memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload); |
||
| 590 | continue; |
||
| 591 | } |
||
| 592 | memcpy(p, nal[i].p_payload, nal[i].i_payload); |
||
| 593 | p += nal[i].i_payload; |
||
| 594 | } |
||
| 595 | avctx->extradata_size = p - avctx->extradata; |
||
| 596 | } |
||
| 597 | |||
| 598 | return 0; |
||
| 599 | } |
||
| 600 | |||
| 601 | static const enum AVPixelFormat pix_fmts_8bit[] = { |
||
| 602 | AV_PIX_FMT_YUV420P, |
||
| 603 | AV_PIX_FMT_YUVJ420P, |
||
| 604 | AV_PIX_FMT_YUV422P, |
||
| 605 | AV_PIX_FMT_YUVJ422P, |
||
| 606 | AV_PIX_FMT_YUV444P, |
||
| 607 | AV_PIX_FMT_YUVJ444P, |
||
| 608 | AV_PIX_FMT_NV12, |
||
| 609 | AV_PIX_FMT_NV16, |
||
| 610 | AV_PIX_FMT_NONE |
||
| 611 | }; |
||
| 612 | static const enum AVPixelFormat pix_fmts_9bit[] = { |
||
| 613 | AV_PIX_FMT_YUV420P9, |
||
| 614 | AV_PIX_FMT_YUV444P9, |
||
| 615 | AV_PIX_FMT_NONE |
||
| 616 | }; |
||
| 617 | static const enum AVPixelFormat pix_fmts_10bit[] = { |
||
| 618 | AV_PIX_FMT_YUV420P10, |
||
| 619 | AV_PIX_FMT_YUV422P10, |
||
| 620 | AV_PIX_FMT_YUV444P10, |
||
| 621 | AV_PIX_FMT_NV20, |
||
| 622 | AV_PIX_FMT_NONE |
||
| 623 | }; |
||
| 624 | static const enum AVPixelFormat pix_fmts_8bit_rgb[] = { |
||
| 625 | #ifdef X264_CSP_BGR |
||
| 626 | AV_PIX_FMT_BGR24, |
||
| 627 | AV_PIX_FMT_RGB24, |
||
| 628 | #endif |
||
| 629 | AV_PIX_FMT_NONE |
||
| 630 | }; |
||
| 631 | |||
| 632 | static av_cold void X264_init_static(AVCodec *codec) |
||
| 633 | { |
||
| 634 | if (x264_bit_depth == 8) |
||
| 635 | codec->pix_fmts = pix_fmts_8bit; |
||
| 636 | else if (x264_bit_depth == 9) |
||
| 637 | codec->pix_fmts = pix_fmts_9bit; |
||
| 638 | else if (x264_bit_depth == 10) |
||
| 639 | codec->pix_fmts = pix_fmts_10bit; |
||
| 640 | } |
||
| 641 | |||
| 642 | #define OFFSET(x) offsetof(X264Context, x) |
||
| 643 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
||
| 644 | static const AVOption options[] = { |
||
| 645 | { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE}, |
||
| 646 | { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, |
||
| 647 | { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, |
||
| 648 | { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE}, |
||
| 649 | {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, |
||
| 650 | {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, |
||
| 651 | {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, |
||
| 652 | {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE}, |
||
| 653 | { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE }, |
||
| 654 | { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE }, |
||
| 655 | { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, |
||
| 656 | { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"}, |
||
| 657 | { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" }, |
||
| 658 | { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, |
||
| 659 | { "autovariance", "Auto-variance AQ (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" }, |
||
| 660 | { "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, VE}, |
||
| 661 | { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
||
| 662 | { "psy-rd", "Strength of psychovisual optimization, in |
||
| 663 | { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, |
||
| 664 | { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
||
| 665 | { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" }, |
||
| 666 | { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" }, |
||
| 667 | { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" }, |
||
| 668 | { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" }, |
||
| 669 | { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
||
| 670 | { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
||
| 671 | { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
||
| 672 | { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE }, |
||
| 673 | { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" }, |
||
| 674 | { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" }, |
||
| 675 | { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" }, |
||
| 676 | { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" }, |
||
| 677 | { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 1, VE }, |
||
| 678 | { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, |
||
| 679 | { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, |
||
| 680 | { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, |
||
| 681 | { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE}, |
||
| 682 | { "deblock", "Loop filter parameters, in |
||
| 683 | { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE}, |
||
| 684 | { "partitions", "A comma-separated list of partitions to consider. " |
||
| 685 | "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE}, |
||
| 686 | { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" }, |
||
| 687 | { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" }, |
||
| 688 | { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" }, |
||
| 689 | { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" }, |
||
| 690 | { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" }, |
||
| 691 | { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, |
||
| 692 | { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, |
||
| 693 | { "nal-hrd", "Signal HRD information (requires vbv-bufsize; " |
||
| 694 | "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" }, |
||
| 695 | { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" }, |
||
| 696 | { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" }, |
||
| 697 | { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" }, |
||
| 698 | { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, |
||
| 699 | { NULL }, |
||
| 700 | }; |
||
| 701 | |||
| 702 | static const AVClass x264_class = { |
||
| 703 | .class_name = "libx264", |
||
| 704 | .item_name = av_default_item_name, |
||
| 705 | .option = options, |
||
| 706 | .version = LIBAVUTIL_VERSION_INT, |
||
| 707 | }; |
||
| 708 | |||
| 709 | static const AVClass rgbclass = { |
||
| 710 | .class_name = "libx264rgb", |
||
| 711 | .item_name = av_default_item_name, |
||
| 712 | .option = options, |
||
| 713 | .version = LIBAVUTIL_VERSION_INT, |
||
| 714 | }; |
||
| 715 | |||
| 716 | static const AVCodecDefault x264_defaults[] = { |
||
| 717 | { "b", "0" }, |
||
| 718 | { "bf", "-1" }, |
||
| 719 | { "flags2", "0" }, |
||
| 720 | { "g", "-1" }, |
||
| 721 | { "i_qfactor", "-1" }, |
||
| 722 | { "qmin", "-1" }, |
||
| 723 | { "qmax", "-1" }, |
||
| 724 | { "qdiff", "-1" }, |
||
| 725 | { "qblur", "-1" }, |
||
| 726 | { "qcomp", "-1" }, |
||
| 727 | // { "rc_lookahead", "-1" }, |
||
| 728 | { "refs", "-1" }, |
||
| 729 | { "sc_threshold", "-1" }, |
||
| 730 | { "trellis", "-1" }, |
||
| 731 | { "nr", "-1" }, |
||
| 732 | { "me_range", "-1" }, |
||
| 733 | { "me_method", "-1" }, |
||
| 734 | { "subq", "-1" }, |
||
| 735 | { "b_strategy", "-1" }, |
||
| 736 | { "keyint_min", "-1" }, |
||
| 737 | { "coder", "-1" }, |
||
| 738 | { "cmp", "-1" }, |
||
| 739 | { "threads", AV_STRINGIFY(X264_THREADS_AUTO) }, |
||
| 740 | { "thread_type", "0" }, |
||
| 741 | { "flags", "+cgop" }, |
||
| 742 | { "rc_init_occupancy","-1" }, |
||
| 743 | { NULL }, |
||
| 744 | }; |
||
| 745 | |||
| 746 | AVCodec ff_libx264_encoder = { |
||
| 747 | .name = "libx264", |
||
| 748 | .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"), |
||
| 749 | .type = AVMEDIA_TYPE_VIDEO, |
||
| 750 | .id = AV_CODEC_ID_H264, |
||
| 751 | .priv_data_size = sizeof(X264Context), |
||
| 752 | .init = X264_init, |
||
| 753 | .encode2 = X264_frame, |
||
| 754 | .close = X264_close, |
||
| 755 | .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, |
||
| 756 | .priv_class = &x264_class, |
||
| 757 | .defaults = x264_defaults, |
||
| 758 | .init_static_data = X264_init_static, |
||
| 759 | }; |
||
| 760 | |||
| 761 | AVCodec ff_libx264rgb_encoder = { |
||
| 762 | .name = "libx264rgb", |
||
| 763 | .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"), |
||
| 764 | .type = AVMEDIA_TYPE_VIDEO, |
||
| 765 | .id = AV_CODEC_ID_H264, |
||
| 766 | .priv_data_size = sizeof(X264Context), |
||
| 767 | .init = X264_init, |
||
| 768 | .encode2 = X264_frame, |
||
| 769 | .close = X264_close, |
||
| 770 | .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS, |
||
| 771 | .priv_class = &rgbclass, |
||
| 772 | .defaults = x264_defaults, |
||
| 773 | .pix_fmts = pix_fmts_8bit_rgb, |
||
| 774 | }; |